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学科主题: Geochemistry & Geophysics
题名: Interannual C-14 variations during 1977-1998 recorded in coral from Daya Bay, south China Sea
作者: Shen, CD ; Yi, WX ; Yu, KF ; Sun, YM ; Yang, Y ; Zhou, B
通讯作者: cdshen@gig.ac.cn
刊名: RADIOCARBON
发表日期: 2004
卷: 46, 期:2, 页:595-601
收录类别: sci
部门归属: Chinese Acad Sci, Inst Earth Environm, Xian 710054, Peoples R China; Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China
项目归属: 海洋地质
摘要: Twenty-two annually banded samples of coral from 1977 to 1998 were collected from Daya Bay, South China Sea, and bomb C-14 concentrations were determined. The interannual variation of coral Delta(14)C is controlled mainly by oceanic factors. In ENSO years, the coastwise upwelling current of the South China Sea has been intensified; hence, the coral Delta(14)C displays its minimum value. The interannual variation curve of Delta(14)C in coral bears a relationship with the Southern Oscillation Index (SOI) curves: the correlation coefficient between Delta(14)C and (SOI)(w) is 0.43 and the correlation coefficient between Delta(14)C and (SOI)y is 0.27. The coral Delta(14)C has no remarkable response to the variation of solar radiation energy. In the past 20 yr or so, the general situation and oceanic thermal structure of the South China Sea are still stable even though interannual variations in atmosphere-sea interaction and upwelling current driven by the tropical energy have occurred.
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WOS记录号: WOS:000223807300009
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4784
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
Shen, CD; Yi, WX; Yu, KF; Sun, YM; Yang, Y; Zhou, B.Interannual C-14 variations during 1977-1998 recorded in coral from Daya Bay, south China Sea,RADIOCARBON,2004,46(2):595-601
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